I tried "כמה יותר" because I've said this and no one corrected me. What is the difference between יותר and עוד?
You can use יותר only to compare between two amounts. (e.g יש יותר נשים מגברים בחדר). In this sentence you are not comparing anything, therefore "כמה יותר" would be incorrect.
When you say "how much more" are you not comparing with how much there is currently? I don't see the difference.
Is "od kamah" possible?
as a question ("how much more") it's grammatically incorrect, but if it is a part of request ("can I take a few more strawberries?" - "אני יכולה לקחת עוד כמה תותים?") it is possible and grammatically correct
It's posed here as a question and so I put
Which they rejected